- [Easy]Restricted rotation about a carbon-carbon double bond can give rise to geometrical isomers, and the compound capable of showing cis-trans isomerism mu...
- [Medium]A planar cyclic conjugated species is being assessed for aromatic character, and the number of delocalised pi electrons required by the Huckel criteri...
- [Medium]Propene is subjected to hydroboration with diborane followed by oxidation using alkaline hydrogen peroxide, and the major alcohol formed must be ident...
- [Medium]Benzene reacts with acetyl chloride in the presence of anhydrous aluminium chloride, and the major aromatic product formed in this Friedel-Crafts proc...
- [Easy]A hydrocarbon with the molecular formula $C_6H_{10}$ is being analysed, and the total number of degrees of unsaturation present in the molecule must b...
- [Easy]When methane is treated with chlorine in the presence of diffused sunlight, which species is primarily responsible for propagating the chain during th...
- [Medium]Complete combustion of one mole of propane consumes oxygen, and the volume of oxygen needed at standard temperature and pressure must be calculated pr...
- [Medium]Bromoethane is heated with metallic sodium in dry ether to synthesise a higher alkane, and the principal hydrocarbon obtained should be named....
- [Easy]A colourless organic liquid decolourises cold dilute alkaline potassium permanganate solution rapidly, and the structural feature responsible for this...
- [Medium]Nitrobenzene is subjected to further electrophilic substitution, and the predominant position at which the incoming electrophile attaches must be pred...
- [Medium]During the nitration of benzene using a mixture of concentrated nitric and sulphuric acids, the actual attacking electrophile generated in the reactio...
- [Medium]Propyne is treated with dilute sulphuric acid in the presence of mercuric sulphate, and the final stable organic product after tautomerisation must be...
- [Easy]Among ethane, ethene, and ethyne, the relative ease with which a terminal hydrogen is removed as a proton must be ordered and explained....
- [Medium]Addition of hydrogen bromide to but-1-ene proceeds in the presence of benzoyl peroxide, and the observed orientation of the product must be explained ...
- [Easy]Hydrogen bromide is added to propene in the absence of any peroxide, and the major organic product needs to be identified from the mixture....
- [Medium]Considering rotation about the central carbon-carbon single bond of n-butane, which conformation represents the global energy minimum on the potential...
- [Easy]Which group is ortho-para directing and activating?...
- [Easy]Chlorination of methane in sunlight follows:...
- [Easy]Baeyer's reagent (alkaline KMnO₄) is used to test for:...
- [Easy]Nitration of benzene produces:...
- [Easy]Wurtz reaction is used to prepare:...
- [Easy]Catalytic cracking of petroleum produces:...
- [Medium]Kolbe's electrolysis of sodium acetate produces:...
- [Easy]Benzene undergoes substitution reactions rather than addition because:...
- [Easy]Friedel-Crafts alkylation of benzene requires:...
- [Medium]The acidity of alkynes is due to:...
- [Medium]Addition of HBr to alkenes in presence of peroxide gives:...
- [Medium]Dehydrohalogenation of alkyl halides follows:...
- [Easy]Ozonolysis of alkenes followed by reduction with Zn/H₂O produces:...
- [Easy]In the addition of HBr to propene, the major product is:...
- [Easy]The general formula of alkanes is:...